Table III.
CTO–PCI result in CIN group and non-CIN group parameters of the study population
| Variables | CIN (n = 9) | Non-CIN (n = 119) | p value |
|---|---|---|---|
| Age (years) | 68.89 ± 2.2 | 62.21 ± 4.9 | <0.001 |
| Gender: male [n (%)] | 6 (66.7) | 39 (86) | 0.090 |
| DM [n (%)] | 5 (55.6) | 33 (27.7) | 0.120 |
| Smoking [n (%)] | 27 (42.2) | 19 (29.7) | 0.141 |
| HT [n (%)] | 4 (44.4) | 32 (26.9) | 0.271 |
| CABG [n (%)] | 4 (44.4) | 48 (40.3) | 0.811 |
| Prior PCI [n (%)] | 4 (44.4) | 34 (28.6) | 0.451 |
| Kilograms (kg) | 74.33 ± 8.3 | 8122 ± 12.9 | 0.024 |
| LVEF (%) | 43.78 ± 5.3 | 50.63 ± 6.4 | 0.003 |
| Time interval | 93.6 ± 12.5 | 91.18 ± 17 | 0.671 |
| Amount of saline | 1,696.24 ± 456 | 1570.55 ± 333 | 0.291 |
| SCr (0) (mg/dl) | 1.11 ± 0.26 | 1.0 ± 0.13 | 0.073 |
| SCr (1) (mg/dl) | 1.76 ± 0.29 | 1.0 ± 0.21 | <0.001 |
| SCr (2) (mg/dl) | 1.56 ± 0.3 | 1.1 ± 0.19 | <0.001 |
| GFR (ml/min) | 63.54 ± 2.8 | 78.33 ± 17 | <0.001 |
| BMI (kg/m2) | 24.67 ± 2.8 | 25.8 ± 3.6 | 0.287 |
| Mehran score | 7.78 ± 1.9 | 5.5 ± 1.9 | 0.001 |
| Dose of furosemide | 0.44 ± 07.2 | 0.41 ± 0.79 | 0.900 |
| LDL (mg/dl) | 132.22 ± 26.4 | 117.4± | 0.534 |
| HGB (g/dl) | 12.78 ± 1.3 | 12.87 ± 1.1 | 0.834 |
Bold values are significant at p value < 0.05. CTO: chronic total occlusion; PCI: percutaneous coronary intervention; CIN: contrast-induced nephropathy; DM: diabetes mellitus; HT: hypertension; CABG: coronary artery bypass grafting; LVEF: left ventricular ejection fraction; SCr: serum creatinine; (0): before the procedure; (1): after the 12th h; (2): after the 48th h; GFR: glomerular filtration rate; BMI: body mass index; LDL: low-density lipoprotein; HGB: hemoglobin